The hunt for life elsewhere in the universe is now essentially a three-horse race between finding microbes in our solar system, signals from an intelligent race or clear signs of organisms in the atmosphere of an exoplanet. But one expert has claimed that, while the other two ‘horses’ might be important, finding intelligent life would [...]

Sunday Times 2

Will the first aliens we find be robots?


The hunt for life elsewhere in the universe is now essentially a three-horse race between finding microbes in our solar system, signals from an intelligent race or clear signs of organisms in the atmosphere of an exoplanet.

But one expert has claimed that, while the other two ‘horses’ might be important, finding intelligent life would have the most profound impact – because it might not be ‘life’ as we know it.

Dr Susan Schneider from The University of Connecticut says the first intelligent aliens we find might not be biological. Speaking to MailOnline she said advanced aliens might be machines (stock image shown). Humanity is already heading in this direction, she claimed

Instead, she says that the first life we find might instead be a form of artificial intelligence – and it could indicate that humans, too, will one day be more machine than man.

Speaking to MailOnline, Dr Susah Schneider, an Associate Professor in Philosophy at the University of Connecticut and author of several articles on alien life, explained her theory.

She has been working on it with Dr Seth Shostak from Seti (Search for Extraterrestrial Intelligence).

‘What I was focusing on was a bit unusual, because I was arguing that the most advanced alien civilisation would actually be forms of AI,’ she explained.

She adds that they might not be the life we find first, with the discovery of microbial life in the solar system being more likely.
‘But it wouldn’t be the same as finding little green men,’ she added.

‘It wouldn’t be as Earth-shattering.’

What form that intelligent life might take, though, could come as somewhat of a surprise.

‘If you look at our own civilisation, people are becoming more immersed in computers, and we can already see signs of it in our own culture,’ she continued.

'The next evolutionary step could be we are post-biological,' said Dr Schneider. Recently experts in Washington DC discussed chances of finding alien life. Seti astromoner Dr Shostak said we 'could be the first' generation to know we are not alone

‘Silicon is faster than brains.
‘The idea is that our brains are actually fairly slow; think about how hard it is to even remember a phone number.
‘AI researchers are doing quite well and most people in computer science think we are 50 years away from AI that is smarter than us.
‘So it looks like the next evolutionary step could be we are post-biological, we are sort of part computer in that people decide to “upload” themselves.

‘It sounds kind of crazy, and I don’t approve of this as a philosopher, but I think the thing is that that’s sort of the pattern a lot of people are starting to notice.
‘Aliens will be vastly older than us, so it looks like they may be sophisticated forms of AI that are far smarter than we are.
‘Kind of mind-blowing, isn’t it?’
Dr Schneider continued that she doesn’t necessarily think our transcendence to an AI-based race will be set in stone, and there will be some people who resist it.

‘In North America the Amish refuse the use of technology, and hopefully other people would think things through very quickly,’ she said.
But she added she ‘wouldn’t be surprised if in 50 years we have the internet wired to our brains.’
Aside from a computational aspect, another limitation of our brains is their size and vulnerability, something that suggests a race more advanced than us would do away with them.

‘The idea kind of floating around Nasa and the Seti Institute is that the most sophisticated alien civilisations we encounter would not be biological.
‘Our brains are limited to the size of our skull, but a computer can take up an entire planet or city.
‘And if you need space travel, humans aren’t very durable. But with computers, you don’t have the same threat to worry about.’
Such a discovery would suggest that the shift from biological to machine is something that takes place on other planets, and would ultimately indicate the direction humanity is going.

And it would have a huge impact on our society, ‘like a science fiction novel come to life,’ according to Dr Schneider.
‘I think finding a more sophisticated form of life would be mind-blowing to most people.
‘Maybe they would just get back on with their lives after a week or so. But it would certainly shake them up.’
When, or if, such a discovery might occur, though, is anyone’s guess at the moment.

Some people at Nasa and Seti think that alien life, perhaps just microbial and not intelligent, will be found in the next 20 years.
But if intelligent life is one day found, the nature of it could have a huge impact on humanity today, and in the future.
‘In a way finding AI could be even more surprising than finding little green men,’ Dr Schneider concluded.
In the recent Astrobiology Symposium at the John W. Kluge Center at the Library of Congress in Washington DC, several experts in the field outlined their views on whether we are alone.

Ultimately, the type of life we find first will dictate how we should react to its discovery.
Seti astronomer Dr Seth Shostak explained that the hunt for life is a three horse race.

First, there is the hunt for life – almost certainly microbial – in our own solar system.
Next there is the possibility of detecting signs of life in the atmosphere of an exoplanet, perhaps a tell-tale signature in its atmosphere.
And last, there is the work of Seti itself – which hunts the sky for signs of a signal from a distant intelligent race.
It’s unclear which of these methods will be first across the line – but whichever one is will have significant ramifications on Earth.
‘There have been 10,000 generations of humans before us,’ explained Dr Shostak.
‘Ours could be the first to know [we are not alone].’

Dr Shostak also went on to explain that he thought the first intelligent aliens we encounter might not be biological, but rather a form of artificial intelligence.

With AI thought to become more advanced throughout this century, it’s possible that just 150 years or so since the invention of radio, we will already have created artificial life.

This would have important implications for the future of life on Earth. Some are of the belief that we will one day be able to ‘emulate’ our brains to achieve a form of immortality.

‘The point is that, going from inventing radios to inventing thinking machines is very short – a few centuries at most,’ Dr Shostak said.
‘The dominant intelligence in the cosmos may well be non-biological.’

© Daily Mail. London

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